International Harvester 1566

Last Updated: June 2024

Overview

The International Harvester 1566 is a 2WD row-crop tractor, produced from 1974 to 1976 as part of the 66 series. The tractor is powered by a 7.1 L (436 ci) six-cylinder diesel engine, featuring a turbocharged induction system and a liquid cooling system. It offers a two-speed power shift transmission with 12 forward and 6 reverse gears. The standard cab and a three-point hitch (category III/II) enhance the tractor's utility and comfort. While specific information on some features such as steering type and brake type is not available, the International Harvester 1566 stands as a strong example of mid-70s tractor engineering with its turbocharged diesel engine and two-speed power transmission, aiming to meet the needs of modern row-crop farming.
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Key Specifications

Category: Row Crop

Power Output: 163 (Rated PTO), 183 (Advertised)

Transmission: Two-speed power shift

Drive Type: 2WD

Operating Weight: 13200 to 15195

Fuel Type: Diesel

International Harvester 1566 vs. Similar Tractors

Power Output
Average
Greater than 60% of similar tractors.
Operating Weight
Excellent
Greater than 94% of similar tractors.

Technical Specifications

Engine

Manufacturer
International Harvester
Model
DT-436
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
6
Displacement (ci)
436
Bore (in)
4.3
Stroke (in)
5
Rated RPM
2600
Power Output (hp)
163 (Rated PTO), 183 (Advertised)

Transmission

Type
Two-speed power shift
Forward Gears
12
Reverse Gears
6
Total Gears
-

Dimensions

Length (in)
168
Width (in)
112
Height (in)
117 (cab), 125 (exhaust)
Operating Weight (lb)
13200 to 15195

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
-
Coolant Capacity (qts)
26
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Agricultural
Manufacture - End Year
1976
Hitch Type
Three-Point Hitch
Hitch Category
III/II
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Cab
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Open center

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